From: Zhouyang Jia <jiazhouyang09@gmail.com> To: unlisted-recipients:; (no To-header on input) Cc: Zhouyang Jia <jiazhouyang09@gmail.com>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Bhumika Goyal <bhumirks@gmail.com>, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH] ALSA: sonicvibes: add error handling for snd_ctl_add Date: Mon, 11 Jun 2018 16:08:40 +0800 [thread overview] Message-ID: <1528704521-34060-1-git-send-email-jiazhouyang09@gmail.com> (raw) When snd_ctl_add fails, the lack of error-handling code may cause unexpected results. This patch adds error-handling code after calling snd_ctl_add. Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com> --- sound/pci/sonicvibes.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c index a8abb15..57cb77a 100644 --- a/sound/pci/sonicvibes.c +++ b/sound/pci/sonicvibes.c @@ -1188,6 +1188,7 @@ SONICVIBES_SINGLE("Joystick Speed", 0, SV_IREG_GAME_PORT, 1, 15, 0); static int snd_sonicvibes_create_gameport(struct sonicvibes *sonic) { struct gameport *gp; + int err; sonic->gameport = gp = gameport_allocate_port(); if (!gp) { @@ -1203,7 +1204,10 @@ static int snd_sonicvibes_create_gameport(struct sonicvibes *sonic) gameport_register_port(gp); - snd_ctl_add(sonic->card, snd_ctl_new1(&snd_sonicvibes_game_control, sonic)); + err = snd_ctl_add(sonic->card, + snd_ctl_new1(&snd_sonicvibes_game_control, sonic)); + if (err < 0) + return err; return 0; } -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Zhouyang Jia <jiazhouyang09@gmail.com> Cc: Zhouyang Jia <jiazhouyang09@gmail.com>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Bhumika Goyal <bhumirks@gmail.com>, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH] ALSA: sonicvibes: add error handling for snd_ctl_add Date: Mon, 11 Jun 2018 16:08:40 +0800 [thread overview] Message-ID: <1528704521-34060-1-git-send-email-jiazhouyang09@gmail.com> (raw) When snd_ctl_add fails, the lack of error-handling code may cause unexpected results. This patch adds error-handling code after calling snd_ctl_add. Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com> --- sound/pci/sonicvibes.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c index a8abb15..57cb77a 100644 --- a/sound/pci/sonicvibes.c +++ b/sound/pci/sonicvibes.c @@ -1188,6 +1188,7 @@ SONICVIBES_SINGLE("Joystick Speed", 0, SV_IREG_GAME_PORT, 1, 15, 0); static int snd_sonicvibes_create_gameport(struct sonicvibes *sonic) { struct gameport *gp; + int err; sonic->gameport = gp = gameport_allocate_port(); if (!gp) { @@ -1203,7 +1204,10 @@ static int snd_sonicvibes_create_gameport(struct sonicvibes *sonic) gameport_register_port(gp); - snd_ctl_add(sonic->card, snd_ctl_new1(&snd_sonicvibes_game_control, sonic)); + err = snd_ctl_add(sonic->card, + snd_ctl_new1(&snd_sonicvibes_game_control, sonic)); + if (err < 0) + return err; return 0; } -- 2.7.4
next reply other threads:[~2018-06-11 8:08 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-11 8:08 Zhouyang Jia [this message] 2018-06-11 8:08 ` [PATCH] ALSA: sonicvibes: add error handling for snd_ctl_add Zhouyang Jia 2018-06-11 13:26 ` Takashi Iwai 2018-06-11 13:26 ` Takashi Iwai 2018-06-14 4:33 ` Zhouyang Jia 2018-06-14 11:22 ` [PATCH v2] " Zhouyang Jia 2018-06-14 11:22 ` Zhouyang Jia 2018-06-14 11:30 ` Takashi Iwai 2018-06-14 11:30 ` Takashi Iwai 2018-06-14 11:41 ` [PATCH v3] " Zhouyang Jia 2018-06-14 11:41 ` Zhouyang Jia 2018-06-14 16:00 ` Takashi Iwai 2018-06-14 16:00 ` Takashi Iwai
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